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Subnet details 221.7.138.0/23

Network address 221.7.138.0
Prefix length 23 (255.255.254.0)
Range 221.7.138.0 - 221.7.139.255
Hexadecimal dd078a00
Binary 11011101 00000111 10001010 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 221.7.136.0/22🔍
Previous subnet 221.7.136.0/23🔍
Next subnet 221.7.140.0/23🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.7.0.0/16🔍 AS4837 CHINA169-Backbone CHINA UNICOM China169 Backbone (CN)🔍
Netblock 221.7.128.0/17🔍 UNICOM-GX (CN)